JP2000233193A - Apparatus for reutilizing rainwater and residual bathtub hot water - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an epoch-making rainwater and domestic waste water reutilizing apparatus capable of reutilizing rainwater or residual bathtub hot water as domestic water such as toilet flushing water, washing water or sprinkling water thereby to reduce economical load. SOLUTION: A rainwater and residual bathtub hot water reutilizing apparatus is constituted of a water gathering part 4 gathering rainwater 1 and residual hot water 3 of a bathtub 2, a purifying part 5 purifying rainwater 1 and residual hot water 3 gathered in the water gathering part 4 so as to be capable of reutilizing them, a water storage part 7 storing the purified water 6B from the purifying part 5 and a supply part 11 supplying the purified water 6B of the water storage part 7 to a reutilizing place such as a toilet 8, a washing machine 9 or a water sprinkling part 10. The purifying part 5 consists of a first purifying part 5A provided with filtering function storing rainwater and residual hot water 3 gathered from the water gathering part 4 to filter them and a second purifying part 5B provided with an aeration means 12 storing the filtered water filtered in the first purifying part 5A to stirr and deodorize the same.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for reusing rainwater and domestic wastewater for reusing domestic wastewater such as rainwater and remaining hot water in baths as domestic water for washing, washing and sprinkling of toilets. It is.

[0002]

2. Description of the Related Art Living water used for baths, toilets, washing and watering is generally a tap water system, and after use, it is drained to the sewer system as waste water. .

[0003] However, it is very undesirable to use water only once and immediately drain it into the sewer from the viewpoint of water resources. In particular, a large amount of hot water remaining in the bathtub after bathing is drained from the sewer. It was very wasteful to drain easily, and the financial burden was great.

[0004] On the other hand, rainwater collected during rainfall and flowing through a rain gutter also flows into the sewer as it is, and it is also desired to use this rainwater as part of domestic water.

[0005] In view of such circumstances, the present invention can reuse rainwater or remaining hot water from a bath as water for daily use such as toilet washing water, washing water and water sprinkling, thereby reducing the economic burden. It is intended to provide an epoch-making rainwater and domestic wastewater recycling device.

[0006]

The gist of the present invention will be described with reference to the accompanying drawings.

A water collecting section 4 for collecting rainwater 1 and remaining hot water 3 in bathtub 2, and a purifying section 5 for purifying rainwater 1 and remaining hot water 3 collected in water collecting section 4 so that they can be reused. A water storage unit 7 for storing purified water 6B purified by the purification unit 5; and a supply unit 11 for supplying the purified water 6B from the water storage unit 7 to a reuse location such as a toilet 8, a washing machine 9, or a water sprinkling unit 10. Wherein the purifying unit 5 has a filtering function of storing and filtering the rainwater 1 and the remaining hot water 3 collected from the water collecting unit 4. Rain water and a bath tub, comprising: a first purifying section 5A; and a second purifying section 5B provided with aeration means 12 for storing, agitating and deodorizing the filtered water filtered by the first purifying section 5A. The present invention relates to a device for recycling remaining hot water.

The first purification section 5A comprises a rainwater storage tank 5A, and this rainwater storage tank 5A is juxtaposed to the second purification section 5B. The rainwater storage tank 5A has rainwater 1 and remaining hot water 3A. And a first overflow section 13 for overflowing the mixed water 6 with the second purification section 5B.
2. A rainwater and a bathtub remaining hot water according to claim 1, wherein the filter water is provided so that the filtered water 6A filtered by the filter 14 is led out from the first overflow section 13 to the second purification section 5B. The present invention relates to a reuse device.

The second purifying section 5B comprises a filtered water storage tank 5B provided with aeration means 12, and the filtered water storage tank 5B is provided in parallel with the water storage section 7, and the filtered water storage tank 5B Water 6B deodorized and purified by aeration
A second overflow section 15 for overflowing the filtered water into the water storage section 7 is provided. An intake 15A of the purified water 6B of the second overflow section 15 is positioned below the filtered water storage tank 5B, and the filtered water storage tank The rainwater according to any one of claims 1 and 2, wherein the purified water (6B) stored in the lower part (5B) is led out from the second overflow part (15) to the water storage part (7). The present invention relates to an apparatus for reusing bathtub remaining hot water.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

The rainwater 1 collected in the water collecting part 4 and the remaining hot water 3 in the bathtub 2 are filtered by the first purifying part 5A and then stirred and deodorized in the second purifying part 5B so that they can be reused. And stored in the water storage unit 7.

By the two purification operations of the first purification unit 5A and the second purification unit 5B, the mixed water 6 of the rainwater 1 and the remaining hot water 3 becomes very clean purified water 6B free of unpleasant odor and the like. Since the water is stored in the water storage unit 7, the discomfort and unsanitary sensation caused by the reused water can be reduced.

The purified water stored in the water storage unit 7 is supplied to a reuse location such as the toilet 8, the washing machine 9, the water sprinkling unit 10 via the supply unit 11, and the washing water, the washing water, It can be reused as water for horticulture, car wash, scenic water, hydrophilic water, emergency water, etc.

Therefore, the rainwater 1 and the remaining hot water 3 in the bathtub 2 which have been conventionally drained as sewage are reused as very clean toilet washing water, washing water, and water for daily use such as various kinds of water spraying as described above. This will reduce the use of water and sewage and reduce the economic burden.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

In this embodiment, a water collecting section 4 for collecting rainwater 1 and remaining hot water 3 and a purification for purifying the rainwater 1 and remaining hot water 3 collected by the water collecting section 4 so that they can be reused. Unit 5, a water storage unit 7 for storing purified water 6B purified by the purification unit 5, and a purified water 6B from the water storage unit 7.
The present invention relates to an apparatus for recycling rainwater 1 and remaining hot water 3 having a supply section 11 for supplying to a reuse location such as 10, and the drawing shows an apparatus configuration applied to a general house A.

The following is a more specific description.

The water collecting section 4 of the present embodiment includes an existing vertical gutter 16 A connected to the rain gutter 16 and a rain water collecting pipe 17 connecting the purifying section 5, and an existing water gutter 17 connected to the bathtub 2. Drainage pipes18
, And a remaining hot water collecting pipe 19 for connecting the purifying section 5 with the hot water collecting section 5.

More specifically, a main water collecting pipe is protruded from the purifying section 5, and a branch pipe as a rainwater collecting pipe 17 and a branch pipe as a remaining hot water collecting pipe 19 are protruded from the main collecting pipe, respectively. Is connected to the downspout 16A and the drain pipe 18.

The purifying section 5 of the present embodiment is connected to the water collecting section 4 and has a filtering function of storing and filtering the rainwater 1 and the remaining hot water 3 collected from the water collecting section 4. Purification unit 5A
And the filtered water filtered by the first purification unit 5A is stored and stirred.
A second purifying unit 5B provided with a deodorizing aeration means 12 is provided, and the first purifying unit 5A and the second purifying unit 5B are provided side by side. Further, in the drawing, a filter net 21 is provided at a connection portion between the water collecting section 4 and the first purifying section 5A, where the mixed water 6 of the rainwater and the remaining hot water 3 is once filtered and then passed to the first purifying section 5A. It is configured to be derived and stored.

More specifically, the first purification section 5A is constituted by a rainwater storage tank 5A.
The mixed water 6 of the rainwater 1 and the remaining hot water 3 is supplied to the second purifier 5B.
Overflow section 13 for overflowing to
And a filter 14 is provided in the first overflow section 13 so that the filtered water 6A filtered by the filter 14 is led out from the first overflow section 13 to the second purification section 5B juxtaposed. ing.

The second purifying section 5B comprises a filtered water storage tank 5B provided with aeration means 12, and the purified water 6B deodorized and purified by aeration in the filtered water storage tank 5B overflows to the water storage section 7. A second overflow section 15 is provided to allow the purified water 6B of the second overflow section 15 to be positioned below the filtered water storage tank 5B and stored below the filtered water storage tank 5B. The purified water 6B is discharged from the upper outlet of the second overflow section 15 to the water storage section 7 juxtaposed to the second purification section 5B as described later.

The aeration means 12 of this embodiment has a configuration in which a diffuser 12A is disposed below the inside of a filtered water storage tank 5B, and a blower 12B for sending air through the diffuser 12A is provided at an appropriate position.

The purifying section 5 is desirably provided buried underground as shown in the drawing, and installed so as not to impair the garden space or the installation space of the house A.

The water storage section 7 of this embodiment employs a large-capacity water storage tank 7, and this water storage tank 7 is provided side by side with the second purification section 5B. Buried in The capacity of the water storage tank 7 is preferably, for example, about 800 liters for general household use.

Therefore, since the first purifying unit 5A, the second purifying unit 5B, and the water storage unit 7 are provided in a juxtaposed state as described above, it is not necessary to connect the tanks with long pipes or the like. The work becomes easy, and the structure of the purifying unit 5 can be easily realized with the water deriving system based on the overflow structure as described above.
Inexpensive configuration can be achieved.

The supply section 11 of the present embodiment includes a supply pipe 11A for connecting the water storage section 7 and the reusing point, and a supply pipe provided on the supply pipe or the water storage section 7 through the supply pipe. And a pump device 11B for pumping the purified water 6B to the reuse point.

More specifically, the supply pipe 11A branches into two branches, and a pump device 11B is provided at this branch point. In addition, one branch pipe 11A 'of the supply pipe 11A is connected to the toilet 8 and the washing machine 9 by piping into the house A, and the other branch pipe 11A "is connected to the outdoor water sprinkling section 10. The water sprinkling section 10 in the drawing shows a case where a sprinkling faucet 10A and a car wash faucet 10B are provided.
Since the reuse water supplied from A 'flows into the sewer, a sewer meter 20 is installed on the branch pipe 11A'.

Although a detailed configuration is not shown in the present embodiment, it is preferable that the device be configured so that water can be supplied from the water supply or well to the water storage unit 7 when the amount of rainfall is small.

Next, the operation of this embodiment will be described with effects.

The mixed water 6 of the rainwater 1 collected in the water collecting section 4 and the remaining hot water 3 in the bathtub 2 is once filtered to some extent by the filter net 21 and then led out to the first purifying section 5A for storage. ,
When the stored amount of the mixed water 6 exceeds a certain amount, the filtered water 6A filtered by the filter 14 from the first overflow section 13 is led out to the second purification section 5B.

The filtered water 6A is stored in the second purification section 5B, and is stirred and deodorized by the aeration means 12 and purified so that it can be reused. Then, when the storage amount in the second purification unit 5B exceeds a certain amount, the stored water is drawn out from the second overflow unit 15 to the water storage unit 7, and the purified water 6B is stored in the water storage unit 7.

At this time, there is a case where dust and the like are slightly mixed in the filtered water 6A stored in the second purification section 5B, and the dust floats on the upper surface of the filtered water 6A by buoyancy. Therefore, the inlet 15 of the second overflow section 15
In this embodiment in which A is located below the second purification unit 5B,
The purified water 6B stored below the second purification unit 5B is led out to the water storage unit 7, and dust floating on the upper surface of the filtered water 6A may be led out to the water storage unit 7. Will be prevented.

Therefore, the purified water 6B without any unpleasant odor is stored in the water storage section 7 by the purifying net 21, the first purification section 5A and the second purification section 5B three times in total. Therefore, discomfort and unsanitary sensation caused by being reused water can be reduced.

The purified water stored in the water storage unit 7 is supplied to the toilet 8 and the washing machine 9 and the water sprinkling unit 10 via the supply unit 11.
Cleaning water for toilet 8, water for washing, watering for horticulture, water for car washing,
It can be reused as landscape water, hydrophilic water, emergency water, etc.

Therefore, the rainwater 1 and the remaining hot water 3 in the bathtub 2 which have been conventionally drained as sewage are reused as living water such as very clean toilet washing water, washing water, and various types of water spraying as described above. This will reduce the use of water and sewage and reduce the economic burden.

When the applicant actually conducted a use experiment,
It is confirmed that the usage fee for a family of six can be reduced by about 50,000 to 70,000 yen a year, although there is some difference due to the difference in the amount of water and sewage used in each region.

Therefore, this leads to protection of water sources such as rivers and pollution of rivers and seas, and it is a very environmentally friendly device that can coexist with the global environment.

Further, in this embodiment, the embodiment of the apparatus configuration in which the purification unit 5 is newly installed has been described. However, with the recent flushing of toilets, the existing single treatment septic tank (mainly used in general households) which has been used so far has been used. ) And merger processing septic tanks (inns, restaurants,
There is a house that does not need to be used for public facilities, etc.), and the reuse device of the present embodiment can be configured by using the unnecessary septic tank.

Specifically, an existing septic tank is first cleaned and sterilized, and the first purifying section 5 is used by using the septic tank.
A and the purification unit 5 provided with the second purification unit 5B, and a new water storage unit 7 is provided in the purification unit 5 in a side-by-side state,
Further, by providing the water collecting unit 4 and the supply unit 11 in the same manner as described above, the reuse device of the present embodiment can be configured.

According to this configuration, the cost of parts can be reduced and the installation cost of the apparatus can be reduced, so that the apparatus can be provided at a lower cost.

In this embodiment, the device for the general house A has been described. However, this device configuration can be applied to all buildings such as public facilities, inns, hotels, stores, offices, and restaurants.

In addition to the configuration in which the reuse device of the present embodiment is individually provided for each house or store, a large-scale apartment house or a plurality of buildings can constitute a common reuse device.

[0044]

Since the present invention is constructed as described above, rainwater and drainage water remaining in the bathtub, which have been conventionally drained to sewage, can be used for toilet washing water, washing water, and various types of watering as described above. The water can be reused as water, which reduces the use of water and sewage, thereby reducing the economical burden. Since the remaining hot water in the bathtub is purified very cleanly without any unpleasant odor,
It is an epoch-making epoch-making apparatus for reusing rainwater and bathtub remaining water that is extremely practical and can alleviate the unpleasant feeling and unsanitary feeling caused by the reused water.

According to the second aspect of the present invention, in addition to the operation and effect of the first aspect of the present invention, the first purifying section and the second purifying section are provided side by side. There is no need to connect the first purification unit and the second purification unit with long pipes, etc., which makes the installation work easier, and also constitutes a two-tank purification unit with a mere overflow water outflow structure. Is a configuration that can be simply designed and realized, and is an excellent apparatus for recycling rainwater and bathtub remaining hot water that is more excellent in mass productivity and inexpensive.

According to the third aspect of the present invention, in addition to the functions and effects of the first and second aspects of the present invention, the second purification section and the water storage section are provided in a side-by-side state.
There is no need to connect the second purification section and the water storage section with a long pipe, etc., which facilitates installation work, and because the structure for leading water from the second purification section to the water storage section is simply an overflow structure, The configuration is a configuration that can be easily designed and realized, and can be configured more inexpensively with higher productivity.

The filtrate stored in the second purification section may contain some dust and the like, and the dust floats on the water surface of the filtrate due to buoyancy. Since the intake of the second overflow section is located below the second purification section, and the purified water stored below the second purification section is configured to be led out to the water storage section, the filtered water It is an extremely practical rainwater and bathtub recycle device with an excellent configuration that prevents dust floating on the water surface from being drawn out to the water storage section and can supply clean reused water. .

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating the configuration of an embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rainwater 2 Bathtub 3 Remaining hot water 4 Water collecting part 5 Purification part 5A First purification part 5B Second purification part 6 Mixed water 6A Filtered water 6B Purified water 7 Water storage part 8 Toilet 9 Washing machine 10 Watering part 11 Supply part 12 Aeration means 13 First overflow section 14 Filter 15 Second overflow section 15A intake

Claims (3)

[Claims] 1. A water collecting section for collecting rainwater and remaining hot water in a bathtub, a purifying section for purifying rainwater and residual hot water collected in the water collecting section so that they can be reused, and a purifying section. An apparatus for recycling rainwater and bathtub remaining hot water, comprising a water storage section for storing purified purified water and a supply section for supplying purified water from the water storage section to a reuse point such as a toilet, a washing machine or a water sprinkling section. The purifying unit includes a first purifying unit having a filtering function of storing and filtering rainwater and remaining hot water collected from the water collecting unit, and storing filtered water filtered by the first purifying unit. An apparatus for recycling rainwater and hot water remaining in a bath tub, comprising a second purifying section having aeration means for stirring and deodorizing. 2. The first purifying section is constituted by a rainwater storage tank, and the rainwater storage tank is juxtaposed to the second purifying section, and the mixed water of rainwater and residual hot water is supplied to the rainwater storage tank in the second purifying section. A first overflow section for overflowing to the second purification section is provided, and a filter is provided for the first overflow section so that filtered water filtered by the filter is led out from the first overflow section to the second purification section. 2. The apparatus for recycling rainwater and hot water remaining in a bathtub according to claim 1, wherein: 3. The second purification section is constituted by a filtered water storage tank provided with aeration means, and the filtered water storage tank is arranged in parallel with the water storage section, and the filtered water storage tank is deodorized and purified by aeration. A second overflow portion for overflowing the purified water into the water storage portion, and an intake of the purified water of the second overflow portion is positioned below the filtered water storage tank, and a lower portion in the filtered water storage tank is provided. The apparatus for recycling rainwater and hot water remaining in a bathtub according to any one of claims 1 and 2, characterized in that the purified water stored in the water is discharged from the second overflow section to the water storage section. .